preview_content
ActiveTool of SendIt
declared in 0.1.0
Generate a visual preview of how content will appear on each platform. USE THIS WHEN: • Before publishing to see how posts will look • To validate content against platform requirements • To check character counts, hashtag limits, and media requirements Returns an HTML preview mockup for each platform with validation results: • Character count vs limit • Hashtag count (Instagram has 30 max) • Media requirement check • Platform-specific warnings and errors
Parameters schema
{
"type": "object",
"required": [
"platforms",
"content"
],
"properties": {
"content": {
"type": "object",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"description": "Post text/caption"
},
"mediaUrl": {
"type": "string",
"description": "Single media URL (optional)"
},
"mediaType": {
"enum": [
"image",
"video",
"auto"
],
"type": "string",
"description": "Media type hint"
},
"mediaUrls": {
"type": "array",
"items": {
"type": "string"
},
"description": "Multiple media URLs for carousel (optional)"
}
}
},
"platforms": {
"type": "array",
"items": {
"enum": [
"x",
"linkedin",
"linkedin-page",
"facebook",
"instagram",
"threads",
"bluesky",
"mastodon",
"nostr",
"youtube",
"tiktok",
"lemmy",
"discord",
"slack",
"telegram",
"pinterest",
"dribbble",
"devto",
"hashnode",
"gmb",
"whop",
"producthunt"
],
"type": "string"
},
"description": "Platforms to generate previews for"
}
}
}No endpoints wrapped at confidence ≥ 0.70.
Parent server
SendIt
https://github.com/Shree-git/sendit
1/7 registries